From Pandemic to Endemic: Can 2022 Succeed Where 2021 Failed?

At the least, there are reasons to hope that the pandemic’s grip is loosening. The world has more tools than before, from rapid tests to the ability to update and mass produce vaccines, plus rising levels of immunity through inoculation and earlier bouts of Covid. While antibodies may dwindle, or even fail to stop infections from new variants, the other major weapon of the immune system — T cells — appears to be robust enough to prevent serious disease.